Version 2.1
en MBI 46.31 operating instruction.docx
Issue date: 01/2022
Page 37 of 42
8 Maintenance
8.1 Preventative maintenance
The MBI 46.31 measuring amplifier does not contain any serviceable parts.
8.2 Cleaning
Hazardous voltages inside
the measuring amplifier with 230 V supply
voltage (type 46.31.2x).
Touching live parts can result in death, serious injury or considerable
property damage.
•
Before opening the field enclosure, check all conductors. They must be
de-energized.
NOTICE
Electrostatic discharge at electronic assemblies can damage the
components before they are put into service. Therefore, take all
necessary measures to avoid electrostatic charging (ESD protective
measures).
When cleaning, note the following:
•
To clean the enclosure and the front panel, only use a soft, slightly moist
cloth.
•
Remove dry dirt from PCBs carefully using a vacuum cleaner or a brush.
•
If foreign liquids get inside the device, have it checked by MESSOTRON
before putting it back into service.
9 Disposal
The device, any accessories and the packaging must be disposed of in
accordance with the respective national regulations. Observe the national and
local regulations regarding environmental protection and the reclamation of raw
materials.
WARNING
NOTICE
